*{margin:0;padding:0}
.header{
    margin-left: auto;
    margin-right: auto;
    background-color: greenyellow;
    text-align: center;
}
.title{
    background-color: rgb(192, 192, 192);
}
.city{
    width: 200px;
    color: grey;
    float: left;
    overflow: hidden;
    margin-top: 10px;
}
.center{
    float: left;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-top: 10px;
}
a{
    text-decoration: none;
}
.center>a{
    color: white;
    margin-right: 60px;
}
.end{
    overflow: hidden;
    float: left;
    margin-top: 10px;
}
.main{
    margin-left: auto;
    margin-right: auto;
    width: 800px;
}
.first>a{
    color: rgb(124, 255, 135);
    text-decoration: none;
}
.list{
    width: 800px;
    background-color: rgb(192, 192, 192);
}
.list>li{
    list-style: none;
}
input{
    box-sizing: border-box;
    width:250px;
    outline: none;
    padding-left:20px;
    height: 20px;
    font-size: 14px;
    border: 1px solid #eee;
    border-radius: 40px;
    background: #eee;
}
button{
    border: none;
    cursor: pointer;
}
.sale{
    width: 180px;
    margin-top: 50px;
    float: left;
    margin-right: 20px;
    background-color:rgb(192,192,192);
}
.sale>img{
    width: 160px;
    margin-left: 10px;
}
.sale>span{
    font-size: 10px;
    display: block;
    margin-left: 10px;
}
.num{
    list-style: none;
    float: left;
}
.num>li{
    float: left;
    margin-right: 20px;
}
.in{
    width: 20px;
    height: 20px;
}
.mainend{
    margin-right: auto;
    margin-left: auto;
    width: 800px;
}
.mainend>ul{
    list-style: none;
    margin-top: 10px;
    height: 82px;
}
.mainend>ul>li{
    margin-top: 5px;
}
.last{
    background-color: rgb(17, 17, 17);
    color: rgb(255, 255, 255);
}